JPH0182561U - - Google Patents
Info
- Publication number
- JPH0182561U JPH0182561U JP1987177910U JP17791087U JPH0182561U JP H0182561 U JPH0182561 U JP H0182561U JP 1987177910 U JP1987177910 U JP 1987177910U JP 17791087 U JP17791087 U JP 17791087U JP H0182561 U JPH0182561 U JP H0182561U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- video
- signal
- external
- main unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の映像信号再生装置に関する回
路ブロツク図を示し、第２図は本考案の映像信号
再生装置の動作説明をするフローチヤートである
。第３図は従来装置の画面表示コントローラーと
マイクロコンピユーターとに関する回路ブロツク
図である。
１…映像信号切換器、２…画面表示コントロー
ラー、３…映像信号検出器、４…マイクロコンピ
ユーター。
FIG. 1 shows a circuit block diagram of the video signal reproducing apparatus of the present invention, and FIG. 2 is a flowchart illustrating the operation of the video signal reproducing apparatus of the present invention. FIG. 3 is a circuit block diagram of a screen display controller and a microcomputer of a conventional device. 1...Video signal switcher, 2...Screen display controller, 3...Video signal detector, 4...Microcomputer.
Claims (1)
生成する文字情報等映像信号とを映像合成して出
力する画面表示コントローラーを具備している映
像信号再生装置において、 映像信号の入力経路を検知して回路を切換える
手段と、 その回路切換え手段に外部映像信号を導入する
手段と、 その外部映像信号が導入されたことを検知する
手段と、 その検知した信号により前記回路を切換える手
段を操作する手段とを具備し、 自動的に本体装置の映像再生時には再生信号と
文字情報等映像信号とを合成して映像出力し、 本体装置が映像再生していない時には外部映像
信号が入力された時に外部映像信号と文字情報等
映像信号とを合成して映像出力し、 生外部映像信号も本体装置の映像再生信号も入
力されない場合は画面表示コントローラーより生
成のブルーバツク映像信号と文字情報等映像信号
とを合成し映像出力することを特徴とする映像信
号再生装置。[Scope of Claim for Utility Model Registration] In a video signal reproducing device equipped with a screen display controller that synthesizes and outputs a video signal and a video signal such as character information generated by a character generator, an input path of the video signal. means for detecting and switching the circuit, means for introducing an external video signal into the circuit switching means, means for detecting the introduction of the external video signal, and means for switching the circuit based on the detected signal. When the main unit is playing video, it automatically combines the playback signal and the video signal such as text information and outputs the video, and when the main unit is not playing video, the external video signal is input. At times, the external video signal and the video signal such as text information are combined and output as a video, and if neither the raw external video signal nor the video playback signal of the main unit is input, the blue back video signal generated by the screen display controller and the video signal such as text information are output. A video signal reproducing device characterized by combining and outputting a video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177910U JPH0182561U (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177910U JPH0182561U (en) | 1987-11-20 | 1987-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0182561U true JPH0182561U (en) | 1989-06-01 |
Family
ID=31469555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177910U Pending JPH0182561U (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0182561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03175792A (en) * | 1989-12-04 | 1991-07-30 | Sharp Corp | Blue back circuit |
-
1987
- 1987-11-20 JP JP1987177910U patent/JPH0182561U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03175792A (en) * | 1989-12-04 | 1991-07-30 | Sharp Corp | Blue back circuit |
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